Question in Greg's Follow the Steps Video

Hi, with respect to the 2nd Blank, I’m unsure why the math strategy can’t be used. I completely get why Previously Referenced can be used. I’m unable to reason why the Math strategy is ineffective here using Nonetheless as a contrast division word.

the contrast is setup with the blank

Yeah, exactly. If the contrast is exhausted by other words in the sentences after the division, the support/constrast relationship is fulfilled and we have no clue about the blank. Here, why can we not use the fact that the blank will be in contrast to something that usually enhances reputation. Any clarity would be helpful. I’m new to approaching TC in this fashion.